NXP Semiconductors

PCA9601

Dual bidirectional bus buffer

Tamb = -40 °C to +85 °C unless otherwise specified; voltages are specified with respect to GND with VCC = 2.5 V to 15 V

unless otherwise specified. Typical values are measured at VCC = 5 V and Tamb = 25 °C.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

from I2C-bus on SX and SY

RX and RY HIGH or LOW; SX

and SY LOW ≤ 1 V

[1] -

-0.3

-1

mA

RX and RY HIGH; SX and SY

HIGH > 1.4 V

[1] -

-

10

μA

II

input current

from buffered bus on RX and RY;

SX and SY HIGH or LOW; VRX =

VRY = 0.4 V

[2] -

-1.5

-10

μA

IL

leakage current

on buffered bus input on RX and

RY; VRX = VRY = 15 V

-

-

10

μA

Output logic LOW level

Pins SX and SY

on Standard-mode or Fast-mode

I2C-bus

ISX = ISY = 3 mA; Figure 6

-

0.7

0.74

V

ISX = ISY = 0.3 mA; Figure 5

-

0.6

0.65

V

on 5 V Fm+ I2C-bus

VOL

LOW-level output voltage

ISX = ISY = 15 mA; Tamb = 0 °C

to 85 °C

-

0.85

1

V

ΔV/ΔT

voltage variation with

temperature

ISX = ISY = 0.3 mA to 3 mA

-

0

-

%/K

Input logic switching threshold voltages

Pins SX and SY

VIL

LOW-level input voltage

on normal I2C-bus; Figure 7

[3] -

-

425

mV

Vth(IH)

HIGH-level input threshold

voltage

on normal I2C-bus; Figure 8

580

-

-

mV

ΔV/ΔT

voltage variation with

temperature

-

0

-

%/K

Pins RX and RY

VIH

HIGH-level input voltage

fraction of applied VCC

0.55VCC -

-

V

Vth(i)

input threshold voltage

fraction of applied VCC

-

0.48VCC -

V

VIL

LOW-level input voltage

fraction of applied VCC

-

-

0.4VCC

V

Logic level threshold difference

ΔV

voltage difference

SX and SY; SX output LOW at 0.3

mA to SX input HIGH maximum

[4] 50

-

-

mV

Bus release on VCC failure

VCC

supply voltage

SX, SY, TX and TY; voltage at

which all buses are to be released

at 25 °C

-

-

1

V

Table 6. Characteristics...continued

PCA9601

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© NXP B.V. 2022. All rights reserved.

Product data sheet

Rev. 3.1 — 4 January 2022

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